TCP数据传输（三）

练习题2：客户端键盘录入，服务器输出到控制台

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.ServerSocket;

import java.net.Socket;

public
classServerDemo {

public
static void main(String[] args)
throws IOException {

// 创建服务器Socket对象

ServerSocketss = newServerSocket(22222);

// 监听客户端连接

Sockets = ss.accept();

// 包装通道内容的流

BufferedReaderbr = newBufferedReader(newInputStreamReader(

s.getInputStream()));

Stringline = null;

while ((line = br.readLine())!=
null){

System.out.println(line);

}

// br.close();

s.close();

// ss.close();

}

}

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.net.Socket;

/*

* 客户端键盘录入，服务器输出到控制台

*/

public
classClientDemo {

public
static void main(String[] args)
throws IOException {

// 创建客户端Socket对象

Sockets = newSocket("219.216.80.19", 22222);

// 键盘录入数据

BufferedReaderbr = newBufferedReader(newInputStreamReader(System.in));

// 把通道内的流给包装一下

BufferedWriterbw = newBufferedWriter(newOutputStreamWriter(

s.getOutputStream()));

Stringline = null;

while ((line = br.readLine())!=
null){

// 键盘录入数据要自定义结束标记

if ("886".equals(line)) {

break;

}

bw.write(line);

bw.newLine();

bw.flush();

}

// 释放资源

// bw.close();

// br.close();

s.close();

}

}

练习题3：客户端键盘录入，服务器输出文本文件

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.FileWriter;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.ServerSocket;

import java.net.Socket;

public
classServerDemo {

public
static void main(String[] args)
throws IOException {

// 创建服务器Socket对象

ServerSocketss = newServerSocket(23456);

// 监听客户端连接

Sockets = ss.accept();

// 封装通道内的数据

BufferedReaderbr = newBufferedReader(newInputStreamReader(

s.getInputStream()));

// 封装文本文件

BufferedWriterbw = newBufferedWriter(newFileWriter("a.txt"));

Stringline = null;

while ((line = br.readLine())!=
null){

bw.write(line);

bw.newLine();

bw.flush();

}

bw.close();

// br.close();

s.close();

// ss.close();

}

}

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.net.Socket;

/*

* 客户端键盘录入，服务器输出文本文件

*/

public
classClientDemo {

public
static void main(String[] args)
throws IOException {

// 创建客户端Socket对象

Sockets = newSocket("219.216.80.19", 23456);

// 封装键盘录入

BufferedReaderbr = newBufferedReader(newInputStreamReader(System.in));

// 封装通道内的数据

BufferedWriterbw = newBufferedWriter(newOutputStreamWriter(

s.getOutputStream()));

Stringline = null;

while ((line = br.readLine())!=
null){

if ("over".equals(line)) {

break;

}

bw.write(line);

bw.newLine();

bw.flush();

}

// bw.close();

// br.close();

s.close();

}

}

练习题3：客户端文本文件，服务器输出到控制台

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.ServerSocket;

import java.net.Socket;

public
classServerDemo {

public
static void main(String[] args)
throws IOException {

// 创建服务器Socket对象

ServerSocketss = newServerSocket(34567);

// 监听客户端连接

Sockets = ss.accept();

// 封装通道内的流

BufferedReaderbr = newBufferedReader(newInputStreamReader(

s.getInputStream()));

Stringline = null;

while ((line = br.readLine())!=
null){

System.out.println(line);

}

s.close();

}

}

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.FileReader;

import java.io.IOException;

import java.io.OutputStreamWriter;

import java.net.Socket;

/*

* 客户端文本文件，服务器输出到控制台

*/

public
classClientDemo {

public
static void main(String[] args)
throws IOException {

// 创建Socket对象

Sockets = newSocket("192.168.12.92", 34567);

// 封装文本文件

BufferedReaderbr = newBufferedReader(newFileReader(

"InetAddressDemo.java"));

// 封装通道内的流

BufferedWriterbw = newBufferedWriter(newOutputStreamWriter(

s.getOutputStream()));

Stringline = null;

while ((line = br.readLine())!=
null){

bw.write(line);

bw.newLine();

bw.flush();

}

br.close();

s.close();

}

}